asyncrat | 1985c69210ddc21c342e9ab70e406f2f9cfef0ed3a54ba88b8f1a60a648757ec

Analysis

max time kernel
81s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
22-04-2023 22:38

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General

Target

RestourantDemo_1.exe
Size

11.3MB
MD5

afe40b3bbb53fb78d95df5b831701f22
SHA1

9e24c1a459af784f008f3c2f7ceb9f511e6d93d0
SHA256

1985c69210ddc21c342e9ab70e406f2f9cfef0ed3a54ba88b8f1a60a648757ec
SHA512

e7619690e0e4729841e9f92c190a79d79809d4f04049cbef4e3eb381b5ea7fc29c1d50435977c5d87e95e3393cc60cfd998ce6d42037b8488f773ed86aee6a3b
SSDEEP

196608:/J6nA8RqX+xcyPBB3BLmp5WC8RnCXeJMxHXLe3D:luicbmBvWMRXLU

Score

10^/10

asyncrat default agilenet rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

45.80.158.113:8848

45.80.158.113:8080

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3904-140-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral2/memory/4640-133-0x00000000000C0000-0x0000000000C0C000-memory.dmp	net_reactor

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/4640-133-0x00000000000C0000-0x0000000000C0C000-memory.dmp	agile_net

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

RestourantDemo_1.exe

description pid process target process

PID 4640 set thread context of 3904 4640 RestourantDemo_1.exe vbc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RestourantDemo_1.exe

pid process

4640 RestourantDemo_1.exe
4640 RestourantDemo_1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RestourantDemo_1.exevbc.exe

description pid process

Token: SeDebugPrivilege 4640 RestourantDemo_1.exe
Token: SeDebugPrivilege 3904 vbc.exe

description	pid	process	target process
PID 4640 set thread context of 3904	4640	RestourantDemo_1.exe	vbc.exe

pid	process
4640	RestourantDemo_1.exe
4640	RestourantDemo_1.exe

description	pid	process
Token: SeDebugPrivilege	4640	RestourantDemo_1.exe
Token: SeDebugPrivilege	3904	vbc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

RestourantDemo_1.exe

description	pid	process	target process
PID 4640 wrote to memory of 716	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 716	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 716	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe
PID 4640 wrote to memory of 3904	4640	RestourantDemo_1.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\RestourantDemo_1.exe
"C:\Users\Admin\AppData\Local\Temp\RestourantDemo_1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:716
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3904-140-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3904-142-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download
memory/3904-143-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/3904-144-0x0000000001020000-0x0000000001030000-memory.dmp

Filesize
64KB

Download
memory/4640-133-0x00000000000C0000-0x0000000000C0C000-memory.dmp

Filesize
11.3MB

Download
memory/4640-134-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/4640-135-0x0000000003030000-0x0000000003031000-memory.dmp

Filesize
4KB

Download
memory/4640-136-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/4640-137-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/4640-138-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/4640-139-0x00000000083A0000-0x000000000843C000-memory.dmp

Filesize
624KB

Download